BMR Calculator (Mifflin-St Jeor)

Last updated: 2026-08-24

BMR Calculator (Mifflin-St Jeor) — Calculate BMR using Mifflin-St Jeor formula.
Inputs
Result
Enter values and press Calculate

How to use it

  1. The calculador apply the formula automatically and muestra results

Common mistakes

  • ⚠️ Not verifying that weight are in correct units before Calculate
  • ⚠️ Redondear values intermediums before of the calculation final (pierde precision)
  • ⚠️ Apply results without Consider contexto individual or condition is special

Worked example

Calculate BMR for 75kg, 175cm, 30 years, male.

Mifflin-St Jeor is the equation more validada clínicamente; precision ±10% to población general.

Input guide

FieldTypical range
weightPeso common: 45-120 kg
ageEdad typical: 18-80 yr
heightAltura common: 140-200 cm